package com.lineage.server.command.executor;

import com.lineage.server.datatables.ExpTable;
import com.lineage.server.model.Instance.L1PcInstance;
import com.lineage.server.serverpackets.S_ServerMessage;
import com.lineage.server.serverpackets.S_SystemMessage;
import com.lineage.server.serverpackets.ServerBasePacket;
import com.lineage.server.utils.RangeInt;
import java.util.StringTokenizer;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class L1Level implements L1CommandExecutor {
  private static final Log _log = LogFactory.getLog(L1Level.class);
  
  public static L1CommandExecutor getInstance() {
    return new L1Level();
  }
  
  public void execute(L1PcInstance pc, String cmdName, String arg) {
    try {
      StringTokenizer tok = new StringTokenizer(arg);
      int level = Integer.parseInt(tok.nextToken());
      if (level == pc.getLevel())
        return; 
      if (!RangeInt.includes(level, 1, ExpTable.MAX_LEVEL)) {
        pc.sendPackets((ServerBasePacket)new S_SystemMessage("范围限制 1~" + ExpTable.MAX_LEVEL));
        return;
      } 
      long nowexp = pc.getExp();
      long levelexp = ExpTable.getExpByLevel(level);
      long add = levelexp - nowexp;
      pc.addExp(add);
      pc.onChangeExp();
    } catch (Exception e) {
      _log.error("错误的GM指令格式: " + getClass().getSimpleName() + " 执行的GM:" + pc.getName());
      pc.sendPackets((ServerBasePacket)new S_ServerMessage(261));
    } 
  }
}
